Welcome to Hazrat Ali,
Problem Solving

Welcome to Hazrat Ali, Problem Solving Website “At Hazrat Ali, we provide a platform for aspiring problem solvers and developers to sharpen their coding and algorithmic skills. Whether you’re a beginner or an advanced coder, our wide range of challenges and resources will help you grow. From mastering data structures and algorithms to participating in competitive coding contests, we offer tools and a community that supports your journey in programming. Explore our curated problems, get involved in discussions, and start Solving problems that will elevate your coding expertise. Join us today and start your problem-Solving adventure!”

Recent Articles

Mar 22, 2026 • Leetcode

Range Sum Query 2D - Immutable

Given a 2D matrix matrix, handle multiple queries of the following type:

Mar 20, 2026 • Leetcode

Jump Game II

You are given a 0-indexed array of integers nums of length n. You are initially positioned at index 0.

Mar 19, 2026 • Leetcode

Target Sum

You are given an integer array nums and an integer target.

Mar 18, 2026 • Leetcode

Minimum Absolute Difference

Given an array of distinct integers arr, find all pairs of elements with the minimum absolute difference of any two elements.

Mar 17, 2026 • Leetcode

String to Integer (atoi)

Implement the myAtoi(string s) function, which converts a string to a 32-bit signed integer.

Mar 16, 2026 • Leetcode

Best Time to Buy and Sell Stock II

You are given an integer array prices where prices[i] is the price of a given stock on the ith day.

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